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稻田无公害养鱼,就是利用稻田昆虫、残饵为鱼类提供饵料,鱼群排泄物又可作为水稻生长的有机肥,提高种养效益,是一项促进农业增效,农民增收的好方法。1.设施建设一是田埂的加宽加高,可用水泥硬化,田基硬化高度要高出田土表面40厘米以上。二是开挖鱼凼,挖深1.5~2.5米,筑埂32厘米,根据田块实际情况设置鱼凼长度。如果田块面积较小,则可开设鱼沟,主沟宽度应达50厘米以上。三
Rice pollution-free fish, that is, the use of rice fields insects, bait for the fish to provide bait, fish excrement can be used as organic fertilizer for rice growth, improve farming efficiency, is a promotion of agricultural efficiency, farmers a good way to increase income . 1. First, the construction of facilities ridge widens and heights can be hardened cement, the height of field hardening more than 40 cm above the surface of the soil. The second is the excavation of Taipa, dug 1.5 to 2.5 meters deep, built 埂 32 cm, according to the actual situation set the length of the fish Taipa. If the plots area is small, you can set up fish ditch, the main groove width should reach 50 cm above. three